Artificial intelligent assistant

interester

ˈinterester rare.
  [f. interest v. + -er1.]
  One who interests; in quot. 1701, One who interests himself in behalf of others.

a 1701 Sedley Grumbler i. Wks. 1778 II. 206 Gri. Pray who are they that say so? Ari. Some persons who interest themselves in your behalf. Gri. I don't care a rush for them. The world is full of nothing but these interesters, who at the bottom value us no more, than John-a-Nokes and Tom-a-Styles.

Oxford English Dictionary

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